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Theory of Machine

Theory of Machine
When the speed of the engine fluctuates continuously above and below the mean speed, the governor is said to be

Hunt
Stable
Isochronous
Unstable

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Theory of Machine
When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be

ω² r {n/(n - 1)}
ω² r {(n + 1)/n}
ω² r {(n - 1)/n}
ω² r {n/(n + 1)}

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Theory of Machine
The minimum periodic time of a compound pendulum is

(1/2π). √(kG/g)
(1/2π). √(2kG/g)
2π. √(kG/g)
2π. √(2kG/g)

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Theory of Machine
Scotch yoke mechanism is used to generate

Square roots
Inversions
Sine functions
Logarithms

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Theory of Machine
Klein's construction can be used when

Crank has non-uniform velocity
Crank has uniform angular velocity and angular acceleration
Crank has uniform angular acceleration
Crank has a uniform angular velocity

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Theory of Machine
According to Kennedy's theorem, if three bodies have plane motions, their instantaneous centers lie on A. A triangle

A triangle
Two lines
A point
A straight line

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